CQueryAdapter which allows definition of query, but without source.
This adapter can be then applied on existing query.
```
query2 = query.filter(a).map(b).split(c)
````
```
adapter = adapter().filter(a).map(b).split(c);
query2 query.apply(adapter)
```
CQueryAdapter which allows definition of query, but without source.
This adapter can be then applied on existing query.
adapter = adapter().filter(a).map(b).split(c); query2 query.apply(adapter) ```